andrea valle wrote:
Thanks Mojca,
(I put again the discussion on the list)
andrea valle wrote:
It seems to me that this:
Btw: take a look at the thread "MetaFun questions" in ConTeXt archive
and at the command naturalfigure(expr name) defined in mp-figs.mp.
externalfigure "mptext.pdf"
xyscaled (10cm, 8cm);
and
externalfigure "mptext.pdf"
xyscaled (10cm, 8cm)
shifted (3cm, 6cm);
...have the same results.
Of course they do. Metapost is clever enough to calculate the proper
bounding box. If you "draw origin" or "draw origin shifted
anypointyoucanthinkof" and if that is the only thing you draw, than both
figures will be identical.
If you would like the figure to be different, you can set the bounding
box explicitely with:
setbounds currentpicture to unitsquare xyscaled ... shifted ...;
If you want your graphic to appear somewhere else on the page than you
have to handle that with plain TeX/ConTeXt commands to achieve the
desired placing ... or using layers in MetaFun.
So, how do I know all the options I can use? Simply I can't?
The command externalfigure in MetaFun has no additional
options/parameters. The best place to learn metafont/post/fun is:
- take The METAPOSTBook in a library (not necessary)
- metapost manual: http://www.tug.org/tutorials/mp/mpman.pdf
- MetaFun manual: http://www.pragma-ade.com/general/manuals/metafun-s.pdf
- sources: go to http://source.contextgarden.net/ and search for
externalfigure for example
I usually use the metapost and metafun manual and simply the search
function in Adobe Acrobat fo find what I'm looking for. Reading the
whole metafun manual is no bad idea anyway.
If you're looking for ConTeXt documentation: well, yes, than you start
reading one manual after another, keep looking into the source code and
search through the mailing list archive & contribute to Wiki. I'm
affraid there's no other way for the moment.
Mojca
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